Re: [GENERAL] Populating missing dates in postgresql data

2015-03-27 Thread Vincent Veyron
On Thu, 26 Mar 2015 00:25:09 + Lavrenz, Steven M slavr...@purdue.edu wrote: I have a second table (TABLE B) with all of the object_ids and channels that are supposed to be reporting in each day. For cases where a certain channel does not check in, I want to add a column that indicates

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-27 Thread Vincent Veyron
On Fri, 27 Mar 2015 08:33:36 -0700 David G. Johnston david.g.johns...@gmail.com wrote: ​This is a performance optimization that I would avoid at nearly any cost, and there are likely better ways to limit the processing scope without having to trust the a cron job runs daily​ mmmhh... it's not

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-27 Thread David G. Johnston
On Fri, Mar 27, 2015 at 3:41 AM, Vincent Veyron vv.li...@wanadoo.fr wrote: On Thu, 26 Mar 2015 00:25:09 + Lavrenz, Steven M slavr...@purdue.edu wrote: I have a second table (TABLE B) with all of the object_ids and channels that are supposed to be reporting in each day. For cases where a

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-26 Thread Alban Hertroys
On 26 Mar 2015, at 1:25, Lavrenz, Steven M slavr...@purdue.edu wrote: Alright everyone, this is a doozy of a problem. I am new to Postgres so I appreciate patience/understanding. I have a database of hardware objects, each of which has several different “channels”. Once per day, these

[GENERAL] Populating missing dates in postgresql data

2015-03-25 Thread Lavrenz, Steven M
Alright everyone, this is a doozy of a problem. I am new to Postgres so I appreciate patience/understanding. I have a database of hardware objects, each of which has several different channels. Once per day, these channels are supposed to check in with a central server, generating an event log

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-25 Thread Adrian Klaver
On 03/25/2015 05:25 PM, Lavrenz, Steven M wrote: Alright everyone, this is a doozy of a problem. I am new to Postgres so I appreciate patience/understanding. I have a database of hardware objects, each of which has several different “channels”. Once per day, these channels are supposed to check

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-25 Thread David G. Johnston
On Wed, Mar 25, 2015 at 5:25 PM, Lavrenz, Steven M slavr...@purdue.edu wrote: Alright everyone, this is a doozy of a problem. I am new to Postgres so I appreciate patience/understanding. I have a database of hardware objects, each of which has several different “channels”. Once per day, these

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-25 Thread David G. Johnston
On Wed, Mar 25, 2015 at 8:57 PM, Mitu Verma mitu.ve...@ericsson.com wrote: Hi, We have a customer complaining about the time taken by one of the application scripts while deleting older data from the log tables. During the deletion, customer reported that he often sees the below error

Re: [GENERAL] Populating missing dates in postgresql data

2015-03-25 Thread Mitu Verma
Hi, We have a customer complaining about the time taken by one of the application scripts while deleting older data from the log tables. During the deletion, customer reported that he often sees the below error and because of which table size doesn’t reduce. ERROR: canceling autovacuum task